Welcome to your 07 Math Name 1. The area of a triangle is x cm² and base is b cm. What is the height of the triangle Deselect Answer x/b cm 2b/x cm 2x/b cm None 2. Amit bought a cricket ball for Rs. 35 and sold it to Prakesh at 20% profit. What did Prakesh pay? Deselect Answer 23 55 42 None of these None 3. Find the value of y. Deselect Answer 6 -6 0 4 None 4. Write 114 ÷ 207 as rational number in its standard form Deselect Answer 83/69 32/96 38/69 Can't Say None 5. The sum which will earn a simple interest of ₹126 in 2 years at 14% per annum is Deselect Answer ₹394 ₹395 ₹450 ₹540 None 6. Find the value of 625 × (–35) + (– 625) × 65 Deselect Answer - 62500 62500 - 65300 68900 None 7. What percent is 120 of 90? Deselect Answer 30% 33 1/3% 133 1/3 % 33 2/3 % None 8. Which of the following equations cannot be formed using the equation x = 7 ? Deselect Answer 2x + 1 =15 7x – 1 = 50 x – 3 = 4 x/7 – 1 = 0 None 9. The standard form of –48/60 is Deselect Answer 48/60 -60/48 -4/5 -4/-5 None 10. The reciprocal of 1/10 is Deselect Answer 1 10 -10 0 None 11. The absolute value of an integer is less than the integer Deselect Answer True False Can’t say None 12. Observe the shapes 1, 2, 3 and 4 in the figures. Which of the following statements is not correct? Deselect Answer Shapes 1, 3 and 4 have different areas and different perimeters Shapes 1 and 4 have the same area as well as the same perimeter Shapes 1, 2 and 4 have the same area Shapes 1, 3 and 4 have the same perimeter None 13. Ratio of area of ∆MNO to the area of parallelogram MNOP in the same figure is Deselect Answer 2 : 3 1 : 1 1 : 2 2 : 1 None 14. A carpet of size 5 m x 2 m has 25 cm wide red border. The inner part of the carpet is blue in colour (see the figure). What is the ratio of areas of red portion to blue portion? Deselect Answer 13:27 12:27 27:13 13:28 None 15. The additive inverse of a negative number is positive. Deselect Answer True False Can’t say None 16. After 10 years Arpit will be three times as old as he was four years ago. What is his present age? Deselect Answer 12 years 10 years 11 years can’t say None 17. Area of a rectangle and the area of a circle are equal. If the dimensions of the rectangle are 14 cm x 11 cm, then radius of the circle is : Deselect Answer 21 cm 10.5 cm 14 cm 7 cm None 18. Which among the following statements is incorrect? Deselect Answer Multiplicative inverse of 0 is not defined. Every rational has a reciprocal. The product of a non- zero rational number and its reciprocal is 1. The idea of mean helps us to find rational numbers between two given rational numbers. None of these None 19. A certain freezing process requires the room temperature to be lowered from 50ºC at the rate of 8ºC every hour. What will be the room temperature 7 hours after the process begins? Deselect Answer -106ºC 106ºC 6ºC -6ºC None 20. The solution of which of the following equations is neither a fraction nor an integer? Deselect Answer 2x + 6 = 0 3x – 5 = 0 5x – 8 = x + 4 4x + 7 = x + 2 None Time's upTime is Up!
